How to Recover Data from Invalid Disk

Can I Retrieve Data from Invalid Disk?

I took the hard disk from a broken notebook of mine. Then I tried to connect it with another computer. It was supposed to work fine. But the computer told me that the hard disk is “Dynamic & Invalid”. Now I’m unable to open it. I don’t know what happened, but I really need files on that disk back. Is there any way that I can do so? Please help me.

First of all, this problem is a normal issue when you want to connect an external hard drive with a computer. This does not mean that your external hard drive is broken. It happens because of “MBR ERROR” or other system errors.

Part 1: How to Recover Data from Invalid Disk

One of the quickest and stress-free ways to recover data from an invalid disk is to use the best quality data recovery tool. There are several options on the market, of course, and so it is necessary to read reviews and do your best to obtain the most appropriate tool. A good tool will be able to retrieve data from an invalid dynamic disk even if you cannot see your disk partitions. It will give you an option to search and recover the lost partition. A reputable and effective tool gets rid of all the thinking and caution that goes with Wondershare Data Recovery.

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The following guide is based on Windows version of Wondershare Data Recovery. If you are a Mac user, you can process the recovery with Mac version with similar steps.

Step 1. Choose a file type

To recover data from Invalid disk, you can go to select the option "All File Types" to start

recover lost data from invalid disk

Step 2. Scan your invalid disk to search for lost data

Select your external hard drive and click "Start" button to scanning lost files.

invalid disk data recovery

You can go to deep scan if quick scan can't get your lost files, the deep scan will deeply search more files from Invalid disk

retrieve data from invalid disk

Step 3. Recover data from invalid disk

All found contents on your invalid disk will be displayed in the window. You can view file names if you want to check how many of files on your invalid disk can be recovered.

retrieve data from invalid disk

In the end, you just need to select files you want and click "Recover" to save them on partitions on your computer.

Part 2: How to Repair an Invalid Dynamic Disk

1. Reasons of Dynamic Disk Invalid Problem

Major causes of an invalid disk status are usually three. They entail the following:

Other triggers include wrong Bios settings, conflicting softwares, hardware faults, OS problems, partitioning mistakes and file system boot sector damage among others. In all the above-mentioned cases, data may get lost or deleted. But this is not as bad as it sounds. You can restore your files regardless of their formats with a data recovery software tool.

2. Convert a dynamic disk (invalid) to a basic disk

If your hard drive appears as a dynamic disk and is in an “invalid” status in the Disk Management screen, you will be cut off from the data in the drive. One of the main ways to solve this problem is to attempt to convert the invalid dynamic disk into a basic disk. As many operating systems support a basic disk, it will be easy to change any dynamic disk you have to a basic one. As you are likely to lose data when performing this act, it is advisable to do a data recovery step with suitable software. After this, follow these steps.

  1. Look for Compmgmt.msc in your Start Menu first.
  2. Press your Enter key on the keyboard to view Disk Management.
  3. Right-click the invalid dynamic disk.
  4. From the right clicking menu, choose Convert to Basic Disk.

3. Reactivate the Invalid Disk via Commands

  1. Go to your computer's search bar on the Start Menu. Type "cmd".
  2. Next, run the “cmd” as administrator.
  3. A pop-up Command Prompt screen will appear. Type "diskpart" on it and press Enter key.
  4. Then, type "list disk". Click Enter key on your keyboard.
  5. After that, confirm the number of invalid disk.
  6. Next, type "select disk<disk number>" and hit Enter.
  7. Finally, type "online" and press Enter once again.

In conclusion, the best way to avoid encountering the dynamic disk invalid status is to dodge the causes. In reality though, you cannot stay away from some of the causes. It is your computer that decides when to pop up the invalid error. As we noted earlier, the invalid status is sometimes caused by a human error. For instance, you can partition your hard drive wrongly and trigger the widespread invalid disk error. As well, you might neglect your computer’s security and privacy by not using a good quality anti-virus tool. Entry of virus and malware can corrupt your computer’s partition table and cause an invalid disk status. It may be useful to use a Registry clean up tool to maintain the health of registry files as these could cause an invalid disk error when damaged. Once you personally do everything you can to avoid this error and it still happens, follow the methods outlined in this article to solve it.

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